Olympus E-M1 III vs Pentax K-50

Lets look a bit more closely at the Olympus E-M1 III versus Pentax K-50, former is a Pro Mirrorless while the latter is a Entry-Level DSLR by manufacturers Olympus and Pentax. There is a substantial difference between the sensor resolutions of the E-M1 III (20MP) and K-50 (16MP) and the E-M1 III (Four Thirds) and K-50 (APS-C) come with totally different sensor sizes.

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The E-M1 III was unveiled 6 years after the K-50 which is quite a big difference as far as tech is concerned. Both cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax K-50 being a Compact SLR camera.

Before going through a thorough comparison, below is a simple overview of how the E-M1 III grades versus the K-50 with respect to portability, imaging, features and an overall mark.

This is a preview of the gallery images for Olympus OM-D E-M1 Mark III & Pentax K-50. The full galleries are available at Olympus E-M1 III Gallery & Pentax K-50 Gallery.

If you're intending to travel with your camera frequently, you should take into account its weight and proportions. The Olympus E-M1 III enjoys physical measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) while the Pentax K-50 has measurements of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") with a weight of 650 grams (1.43 lbs).

Contrast the Olympus E-M1 III versus Pentax K-50 in our completely new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will change dependant on the lens you have attached at that time. Here is the front view physical size comparison of the E-M1 III against the K-50.

Using size and weight, the portability grade of the E-M1 III and K-50 is 67 and 63 respectively.

In many cases, it is hard to visualise the difference between sensor dimensions just by looking at a spec sheet. The picture here might give you a better sense of the sensor sizing in the E-M1 III and K-50.

As you can see, both the cameras offer different megapixel count and different sensor dimensions. The E-M1 III having a tinier sensor will make shooting shallower depth of field more challenging and the Olympus E-M1 III will give you extra detail having an extra 4MP. Higher resolution will also make it easier to crop pictures a little more aggressively. The more recent E-M1 III is going to have an advantage when it comes to sensor tech.